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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
show interfaces
This is an example of output from the show interfaces private-vlan mapping command when the
private-VLAN primary VLAN is VLAN 10 and the secondary VLANs are VLANs 501 and 502:
Switch# show interfaces private-vlan mapping
Interface Secondary VLAN Type
--------- -------------- -----------------
vlan10 501 isolated
vlan10 502 community
This is an example of output from the show interfaces interface-id pruning command when pruning is
enabled in the VTP domain:
Switch# show interfaces gigibitethernet0/2 pruning
Port Vlans pruned for lack of request by neighbor
Gi0/2 3,4
Port Vlans traffic requested of neighbor
Gi0/2 1-3
This is an example of output from the show interfaces stats command for a specified VLAN interface.
Switch# show interfaces vlan 1 stats
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 1165354 136205310 570800 91731594
Route cache 0 0 0 0
Total 1165354 136205310 570800 91731594
This is an example of partial output from the show interfaces status command. It displays the status of
all interfaces.
Switch# show interfaces status
Port Name Status Vlan Duplex Speed Type
Fa0/1 connected routed a-half a-100 10/100BaseTX
Fa0/2 notconnect 121,40 auto auto 10/100BaseTX
Fa0/3 notconnect 1 auto auto 10/100BaseTX
Fa0/4 notconnect 18 auto auto Not Present
Fa0/5 connected 121 a-full a-1000 10/100BaseTX
Fa0/6 connected 122,11 a-full a-1000 10/100BaseTX
<output truncated>
Gi0/1 notconnect 1 auto auto 10/100/1000BaseTX
Gi0/2 notconnect 1 auto auto unsupported
These are examples of output from the show interfaces status command for a specific interface when
private VLANs are configured. Port 22 is configured as a private-VLAN host port. It is associated with
primary VLAN 20 and secondary VLAN 25.
Switch# show interfaces fastethernet0/22 status
Port Name Status Vlan Duplex Speed Type
Fa0/22 connected 20,25 a-full a-100 10/100BaseTX
In this example, port 20 is configured as a private-VLAN promiscuous port. The display shows only the
primary VLAN 20.
Switch# show interfaces fastethernet0/20 status
Port Name Status Vlan Duplex Speed Type
Fa0/20 connected 20 a-full a-100 10/100BaseTX
This is an example of output from the show interfaces status err-disabled command. It displays the
status of interfaces in the error-disabled state.
Switch# show interfaces status err-disabled
Port Name Status Reason
Gi0/2 err-disabled dtp-flap
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